Posted by MarkB_MI on September 30, 2019 at 02:28:24 from (174.230.11.254):
In Reply to: Master shut off switch posted by Plowhand on September 29, 2019 at 17:14:09:
I assume you're talking about one of those knife switches that attach directly to the battery post, as opposed to a switch you mount elsewhere. The reason for putting them on the negative cable is to prevent unintentional arcing should the switch touch the frame. Functionally they will work on either post, but just like you should always remove the negative cable first and install it last, it's safer to switch the ground.
That said, if you have a current draw that you want to stop, it doesn't matter which post it's on. Either way the switch takes the battery out of the circuit. So put it on the negative post unless it won't physically fit there.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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